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tosay7319

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11Â¥2012-04-27 09:24:27
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summerjane

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Сµ¤Ä¾Ä¾: ½ð±Ò+2, ¹ÄÀø½»Á÷ 2012-04-27 13:48:35
EDTA stock
To prepare 1 liter, 0.5 M EDTA pH 8.0: Add 186.1g of disodium EDTA-2H2O to 800 ml of H2O. Stir vigorously on a magnetic stirrer. Adjust the pH to 8.0 with NaOH (approx. 20g of NaOH pellets). Dispense into aliquots and sterilize by autoclaving. The disodium salt of EDTA will not go into solution until the pH of the solution is adjusted to approx. 8.0 by the addition of NaOH. For tetrasodium EDTA, use 226.1g of EDTA and adjust pH with HCl.
12Â¥2012-04-27 11:03:22
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zhoujiang09

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5Â¥: Originally posted by kedaxiaoyu at 2012-04-26 13:18:55:
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13Â¥2012-05-05 18:20:17
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zhyhong

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